#include<stdio.h>
typedef double* DOUBLE_PTR;
typedef int AGE;
typedef char* STRING;
typedef char STRING2[100] ;/*may have bugs*/
typedef int(*CMP)(const void *a,const void *b) ;/*may have bugs*/
int main()
{


	//double * p,q;
	DOUBLE_PTR p,q;//typedef
	AGE age;



	printf("%d\n",sizeof(p));
	printf("%d\n",sizeof(q));

}
